#174D8A#174D8A

#174D8A is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 42.0% C 0.116 H 254.5°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#174D8A
RGB	rgb(23, 77, 138)
HSL	hsl(212, 71%, 32%)
HSV	hsv(212, 83%, 54%)
CMYK	cmyk(83.3%, 44.2%, 0%, 45.9%)
CIE-LAB	lab(32.53, 6.15, -38.88)
CIE-LCH	lch(32.53, 39.36, 278.98°)
OKLab	oklab(41.98% -0.031 -0.1114)
OKLCH	oklch(41.98% 0.116 254.5)
XYZ	xyz(7.5930, 7.3240, 25.0533)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D8A #8A5417

analogous

#17878A #174D8A #1A178A

triadic

#174D8A #8A174D #4D8A17

tetradic

#174D8A #8A1787 #8A5417 #178A1A

square

#174D8A #8A1787 #8A5417 #178A1A

split-complementary

#174D8A #8A1A17 #878A17

monochromatic

#061221 #0E3056 #174D8A #206ABE #3D89DF

Accessibility & contrast

On white

8.52

#174D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#174D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D8A

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D8A	#FFFFFF	#000000	##FFFFFF
##174D8A	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E528C

Deuteranopia (green-blind)

#184889

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174d8a;
/* rgb */ color: rgb(23, 77, 138);
/* oklch */ color: oklch(42.0% 0.116 254.5);

Tailwind

colors: {
  custom: {
    50: '#687eac',
    500: '#174d8a',
    950: '#000000',
  },
}

SCSS

$custom: #174d8a;
$custom-light: #687eac;
$custom-dark: #000000;

JSON

{
  "hex": "#174d8a",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 138
  },
  "hsl": {
    "h": 211.826,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41983,
    "c": 0.11562,
    "h": 254.5
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary

#174D8A

secondary

#BE823F

accent

#993AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174D8A

Body copy rendered with the generated semantic roles for this colour.

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